[gcc r12-3820] [Ada] Reuse routines for detecting attributes Old and Result

[Pierre-Marie de Rodat <pmderodat@gcc.gnu.org>]

https://gcc.gnu.org/g:dfe93fd5f5a5e271d7f3b03984f837d8597ee3bf

commit r12-3820-gdfe93fd5f5a5e271d7f3b03984f837d8597ee3bf
Author: Piotr Trojanek <trojanek@adacore.com>
Date:   Mon Jul 26 23:16:13 2021 +0200

    [Ada] Reuse routines for detecting attributes Old and Result
    
    gcc/ada/
    
            * exp_ch4.adb (Expand_N_Op_Eq): Reuse Is_Attribute_Result.
            * exp_prag.adb (Expand_Attributes): Reuse Is_Attribute_Old.

Diff:
---
 gcc/ada/exp_ch4.adb  | 3 +--
 gcc/ada/exp_prag.adb | 4 +---
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/gcc/ada/exp_ch4.adb b/gcc/ada/exp_ch4.adb
index d7037bf37f2..a4ed3a2d1ca 100644
--- a/gcc/ada/exp_ch4.adb
+++ b/gcc/ada/exp_ch4.adb
@@ -8609,8 +8609,7 @@ package body Exp_Ch4 is
       --  f'Machine (expr) to eliminate surprise from extra precision.
 
       if Is_Floating_Point_Type (Typl)
-        and then Nkind (Original_Node (Lhs)) = N_Attribute_Reference
-        and then Attribute_Name (Original_Node (Lhs)) = Name_Result
+        and then Is_Attribute_Result (Original_Node (Lhs))
       then
          --  Stick in the Typ'Machine call if not already there
 
diff --git a/gcc/ada/exp_prag.adb b/gcc/ada/exp_prag.adb
index 55842f70f57..27b4e7df571 100644
--- a/gcc/ada/exp_prag.adb
+++ b/gcc/ada/exp_prag.adb
@@ -1525,9 +1525,7 @@ package body Exp_Prag is
          begin
             --  Attribute 'Old
 
-            if Nkind (N) = N_Attribute_Reference
-              and then Attribute_Name (N) = Name_Old
-            then
+            if Is_Attribute_Old (N) then
                Pref := Prefix (N);
 
                Indirect := Indirect_Temp_Needed (Etype (Pref));